Ministry of Health. Decree April 6 2004, n. 174Regulation on materials and objects that can be used in stationary collection, treatment, supply and distribution of water intended for human consumption. Official Gazette n. 166 of the 17 / 7 / 2004. http://www.gazzettaufficiale.it/eli/id/2004/07/17/004G0204/sg

Ministry of Health. Decree 7 February 2012, n. 25Technical provisions concerning devices aimed at the treatment of water for human consumption. (It replaces the previous decree in December 21 1990, n. 443, reflects the current regulatory approach based on consumer protection and food safety. It also provides specific provisions on the proper use and advertising equipment).

Ministry of Economic Development. Decree January 22 2008, n. 37Regulation on the implementation of Art. Quaterdecies 11, 13 paragraph, letter a) of Law no. Of December 248 2 2005 laying reorganization of the provisions relating to the activities of installation of systems in buildings. Official Gazette no. The 61 12 / 3 / 2008 http://www.gazzettaufficiale.it/eli/id/2008/03/12/008G0060/sg

Ministry of Health. Guidelines for the prevention and control of legionellosis 2015Approved by the State-Regions, in its meeting of May 7 2015, the document aims to bring together, update and integrate all the description above national guidelines and regulations: 'Guidelines for the prevention and control of Legionnaire's disease', published in OJ the 5 May 2000; "Guidelines bearing claims on the Legionnaires for managers of tourist-receptive and spa" and "Guidelines carrying statements to laboratories with diagnostic microbiological activity and environmental control of Legionnaire's disease" (Official Journal of the 28 4 February 2005 and 29 the OJ February 5 2005).The guidelines have been updated in the light of new scientific knowledge, with the technical and scientific assistance Institute of Health and expert institutional figures in the industry.Available at http://www.salute.gov.it/imgs/C_17_pubblicazioni_2362_allegato.pdf